‘蕊沁’等7个海棠新品种

【目的】为我国城乡绿化美化提供新植物材料。【方法】1999—2002年,在山东昌邑海棠苗木专业合作社基地,利用从国外引进的16个优良海棠无性系与国内8个种质进行自然杂交。【结果】2007年,综合测定观赏特性和生长特性后,从杂交后代中初选出12个优良单株,2008年,经进一步DUS测试,最终选出7个优良新品种,并于2015—2016年通过国家林业局的新品种审定。【结论】7个海棠新品种具有花果兼赏、观赏期长、美化效果好、适应性强、造林成活率高等优点,适用于山东及周边地区的庭院、道路、广场等区域绿化。

Seven new crabapple cultivars such as ‘Rui Qin’

【Objective】The aim of this study is to provide plant materials for greening and beautification of urban and rural areas in China.【Method】 excellent germplasm resources of crabapple at home and abroad were collected for cross breeding, and new varieties with excellent ornamental characteristics and strong adaptability were selected. 16 superior clones of crabapple introduced from abroad were used to conduct natural hybridization with eight domestic germplasms in Changyi of Shandong Province from 1999 to 2002. 【Result】In 2007, twelve excellent individuals were selected from the hybrid progenies after comprehensive measurement of ornamental characteristics and growth characteristics. In 2008, after further DUS test, seven new varieties were selected and approved by State Forestry Administration in 2015-2016. 【Conclusion】The seven new varieties had advantages of both flowers and fruits appreciation, a long viewing period, good beautification effects, strong adaptability, high afforestation survival rates and etc.. It is suitable for courtyards, roads and square greening in Shandong and its surrounding areas.